He was___the important of learning English and began to practise it every day.
#20797
A
aware
B
aware of
C
aware for
D
aware to
推荐题目
He stayed _________when I told him the terrible accident.
#19636
A
calm
B
calmly
C
calmed
D
calming
The picture is ______ at least twenty pounds.
#19417
A
worthy
B
worth while
C
worthwhile
D
worth
I don’t think she is a nice woman;I’m ______ her empty talk.
#19535
A
grateful for
B
tired of
C
crazy about
D
concerned about
Once harm is _______ to the eco-system, all species will ________, including man himself. 
#19350
A
made; be in danger
B
done; be dangerous
C
caused; be endangered
D
done; be in danger